objectdont_indicator.h

// Description: ObjectDont_Indicator
// Detail: Rejects a given point but accepts otherwise.
// Documentation: indicator.txt

#ifndef PASTELSYS_OBJECTDONT_INDICATOR_H
#define PASTELSYS_OBJECTDONT_INDICATOR_H

#include "pastel/sys/indicator/indicator_concept.h"

namespace Pastel
{

    template <typename Type, typename DerefType>
    class ObjectDont_Indicator
    {
    public:
        using Point = Type;

        explicit ObjectDont_Indicator(
            const DerefType& exception)
            : exception_(exception)
        {
        }

        bool operator()(
            const Point& that) const
        {
            return that->point() != exception_;
        }

    private:
        DerefType exception_;
    };

}

#endif